code: def logger_singleton() -> Logger:
      global _internal
      if _internal is None:
          _internal = Logger()
  
      return _internal
  
file_path: labml/client/labml/internal/logger/__init__.py
imports: from typing import Optional, List
  from .destinations import Destination
  from .destinations.factory import create_destination
  from .inspect import Inspect
  from .types import LogPart
label_desc: Use image node_id 1 for calling a global function with example usage: logger_singleton() and returns: _internal